Canon 155 A Bedienungsanleitung

Summary for Use of the 155ASee pp. 8-23 for detailed explanation.1. Load the batteries correctly.2. Attach the 155A to the camera.3. Set the ASA fil

light as soon as the flash unit determines sufficient light was reflected from the subject to the unit’s photocell.There are three co

or AE-1 cameras, there is no need to remove the aperture ring of the lens from the ‘A’ mark (automatic setting).

Loading the BatteriesUse four new size AA alkaline-manganese batteries (AM-3 or RL6) or four new Ni-Cd batteries. Manganese batteries c

holding down the batteries. Be careful to fit the positioning tabs on the bottom part of the cover into the grooves.* Since battery per

the 155A is not period of tifne.to be used for a longFollow the instructions of the battery manufacturer when recharging Ni-Cd batteries.

Attaching to the Camera1. Turn the main switch off.2. After loosening the tightening nut of the attachment leg, insert the attachment leg

HOW TO USE WITH THE CANON AE-1 AND A-1The Speedlite 155A can be used in three ways.I. AE flash photography with Canon FD lenses.II. Automatic

aperture are set automatically and proper exposure is obtained from the amount of light reflected back from the subject. Preparations for AE Flash wit

The Canon Speedlite 155A is an automatic electronic flash developed especially for AE flash photography with the C&non AE-1. It a

Shutter Speed1. The shutter speed is set at B when B is used.2. At all other speeds it is automatically set at 1/60 sec.Setting the A

as shown by the numbers in parentheses.„ (32I(<0I 160(80) il25HI60) P50M320I (500)(610)A S A25 • • 50 • 100 • • 20(1 •• 400 •• 800Also, chec

^ 6* 5 /7. IOlini OFFAUTO MANU AUTO' X"e&6 4^«' .4» ^ • fe ^• i 3 •.•%>?• IO

Switching the AUTO/MANU. SwitchThis switch is used to set the prescribed apertures coupled with AE flash photography. There are two a

14Limits of the Auto Working RangeOnce you have chosen an aperture by setting the AUTO/MANU. switch to the red or green position, there

always remain fixed.* You may wish to use the following hints for choosing an appropriate aperture in AE flash photography.Green Position

* When the distance is less than 1 m, the light distribution may be uneven due to differences in the optical axes between the lens

posure will not be correct. For correct exposure, change the shooting distance or set the AUTO/MANU. switch to a more appropriate pos

setting of the AE mode selector and the AT dial. This is possible only when the AE exposure is within the AE coupling range. O

Viewfinder Information and WarningsViewfinder information is displayed as you depress the shutter button halfway after the pilot lamp com

more appropriate exposure than do other current flash units. An outstanding feature particular to the 155A is the automatic switching

shutter speed is set to “B” on the camera. When the pilot lamp lights up, F will be displayed to indicate charge completion.The

by half an f/stop. This will, however, have no effect on exposure which will take place at the aperture set on the flash.There is also a

18AE-1 Viewfinder informationOnce the flash is charged and the pilot lamp glows, the meter needle will swing to the aperture pre-selec

there may be a very rare occurrence where the pilot lamp will light up while the shutter is in operation if the flash is charged.

in uneven flash distribution.n. Automatic Flash PhotographyWhen the AUTO/MANU. switch is on AUTO, it is necessary ito set the aperture man

consideration the auto working range, (see pp. 13-14).3. Manually set the flash-selected aperture, or a different one if correcting exposur

Setting the AUTO/MANU. switch at the back to MANU. places the 155A in the manual mode. When using the A-1, AE-l" AT-1 or AV-1

the lens’ aperture ring manually to that same aperture. If the aperture obtained seems to fall between half click-stops, move the ap

pilot lamp glows, open the lens 1/2 to a full f/stop. This correction is necessary due to the fact that the lens is not yet full

the flash-to-subject distance instead of the focused distance in determining the aperture.Viewfinder DisplaysThe A-l’s digital display wi

Synchro Cord SocketFlash ReflectorASA Film Speed Setting Dial ASA Film Speed Window Aperture Window I Distance ScaleTightening NutApertureIndicesAuto

HOW TO USE WITH THE CANONAT-1Since the Canon AT-1 is not an AE (Automatic Exposure) camera, it is necessary to manually set the lens

HOW TO USE WITH THE CANONAV-1Automatic flash photography with the AV-1 is briefly as follows:1. Set the camera’s selector dial to or “A S

WHEN USING ON OTHER CAMERASSpeedlite 155A can be used on other cameras for automatic exposure flash photography (setting the aperture

flash as indicated on the calculator dial. If the focused distance is within the auto working range as designated by the colored ba

>Z

Specifications -Type: Electronic computer flash unit with a series control system.Contact: Clip-on type with a directly coupled contact.

Ni-Cd batteries: About 5 seconds. Number of Flashes: (When the flash is fired at intervals of 30 seconds with new batteries loaded).Alkaline-manganese

AUTO/MANU. Switch: A choice of three different positions: two AUTO positions (red and green) and a MANU. position. The red position

batteries can also be used.Pilot Lamp: When charged, the pilot lamp lights up automatically switching the camera over to flash photograp

Main Features1. The aperture selected on the 155A is set on the camera automatically via an electrical signal sent by the flash (in